Practical tools for acoustics and signal processing

Acoustic tools for engineers and researchers

Free online calculators and analysis tools for acoustics, noise, vibration and signal processing.

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Tool directory

Built around engineering workflows

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02

Signal Processing

  • FFT Calculator Soon
  • Sampling Calculator Soon
  • Frequency / Period Converter Soon

03

Rotating Machinery

  • Blade Passing Frequency Soon
  • RPM / Hz Converter Soon
  • Tip Speed Calculator Soon

04

Propagation

  • Geometric Spreading Soon
  • Atmospheric Absorption Soon
  • Doppler Shift Soon

05

Psychoacoustics

  • Loudness Soon
  • Tonality Soon
  • Roughness Soon

Reference notes

Useful results, with the reasoning visible

Every calculator pairs an immediate numerical result with its formula, assumptions and a concise engineering explanation. The aim is clarity—not a black box.

About

A focused toolbox for acoustic work

Acoustic Toolbox is being developed as a practical reference for engineers, researchers and students working with sound, vibration, rotating machinery and measurement data.